1. The Palantype Method of Stenotyping;Beard,1978
2. Stenograph's Computer-compatible Touch Shorthand, Books 1, 2, Supplementary Lists, Stenograph, Stokie, IL.
3. The resolution of ambiguities and the correction of errors in the automatic transcription of Palantype;Booth,1982
4. Linguistics in automatic machine shorthand transcription;Szanser;Inc. Linguist,1969
5. Voice input to English text output;Booth;Int. J. Man-Mach. Stud.,1979